You are buying flowers for your algebra teacher. you buy a total of 30 flowers that are a mixture of roses and daisies for $66. roses cost $4 and daisies cost $1. how many of each type did you buy?

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex